40. It is obvious that lung diseases are____smoking.
| A．linked to | B．related with | C．resulted in | D．led to |
It's necessary that measures _____ at once to help people understand global warming is
affecting our life to an increasingly high degree.
| A．must be taken | B．be taken | C．should take | D．are taken |
You' d sound a lot more polite if you make a request ______ a question.
| A．in search of | B．in the form of | C．in need of | D．in the direction of |
Alone in the garden sat the girl, thinking, for a long time, of _______ life was like with her teachers and classmates in the past.
| A．what | B．which | C．how | D．that |
To ______ good relationships with your teachers and classmates, you should learn to share ups and downs with them.
| A．bring up | B．add up | C．keep up | D．take up |
—Do you still remember the first time you _______with a girl?
—Not exactly, but I remember it was a Sunday.
| A．talked | B．had talked | C．have talked | D．were talking |